NEW BLACK PHENOLIC 3-WAY TURN KNOB LAMP SOCKET WITH LARGE 1/2" HOLE 

SWITCH IS LOW-MEDIUM-HIGH-OFF & HAS 2 SCREW TERMINALS

USES A STANDARD BASE 3-WAY BULB E26

HEIGHT 2 7/8"

SOCKET BOTTOM FITS 1/2" LAMP PIPE WITH 1/4 IP THREADS

250W - 250V

UL LISTED